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Home >> Subaru >> 2007 >> B9 Tribeca Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H6DO) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0140 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2) >> Enable Condition (Used Only For Malfunction Judgment)
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Enable Condition (Used Only For Malfunction Judgment)

ENABLE CONDITIONS

Secondary Parameters Enable Conditions
Closed loop control with the rear oxygen sensor In operation
Target output voltage of the rear oxygen sensor ≥ 0.6 V
Amount of intake air ≥ 10 g/s (1.323 lb/m)
Engine coolant temperature ≥ 75°C (167°F)
Misfire detection every 200 rotations ≤ 7 times
Compensation factor for front oxygen (A/F) sensor with main feedback control Not in limit value
Battery voltage with main feedback control > 10.9 V
Deceleration fuel cut of 5 seconds or more Experienced